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   <div id="projectname">FLITr
   &#160;<span id="projectnumber">1.x</span>
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   <div id="projectbrief">Framework for Live Image Transformation.</div>
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<div class="title">screen_capture_producer.h</div>  </div>
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<a href="screen__capture__producer_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/* Framework for Live Image Transformation (FLITr) </span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * Copyright (c) 2010 CSIR</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * This file is part of FLITr.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * FLITr is free software: you can redistribute it and/or modify it</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * under the terms of the GNU Lesser General Public License as</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * published by the Free Software Foundation, either version 3 of the</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * FLITr is distributed in the hope that it will be useful, but</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> * </span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * License along with FLITr. If not, see</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * &lt;http://www.gnu.org/licenses/&gt;.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;</div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#ifndef SCREEN_CAPTURE_PRODUCER_H</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define SCREEN_CAPTURE_PRODUCER_H 1</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;osgViewer/ViewerBase&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#include &lt;osgViewer/View&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="image__producer_8h.html">flitr/image_producer.h</a>&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="preprocessor">#include &lt;<a class="code" href="image__format_8h.html">flitr/image_format.h</a>&gt;</span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="keyword">namespace </span>flitr {</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;</div>
<div class="line"><a name="l00036"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer.html">   36</a></span>&#160;<span class="keyword">class </span><a class="code" href="flitr__export_8h.html#a954cc8ba3eaae88472e9d8f406ca4a86">FLITR_EXPORT</a> <a class="code" href="classflitr_1_1_screen_capture_producer.html">ScreenCaptureProducer</a> : <span class="keyword">public</span> <a class="code" href="classflitr_1_1_image_producer.html">ImageProducer</a> {</div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer_1_1_screen_capture_callback.html">   38</a></span>&#160;    <span class="keyword">class </span><a class="code" href="classflitr_1_1_screen_capture_producer_1_1_screen_capture_callback.html">ScreenCaptureCallback</a> : <span class="keyword">public</span> osg::Camera::DrawCallback</div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;    {</div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;      <span class="keyword">public</span>:</div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;        <a class="code" href="classflitr_1_1_screen_capture_producer_1_1_screen_capture_callback.html">ScreenCaptureCallback</a>(<a class="code" href="classflitr_1_1_screen_capture_producer.html">ScreenCaptureProducer</a>* p);</div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> operator()(osg::RenderInfo&amp; ri) <span class="keyword">const</span>;</div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;      <span class="keyword">private</span>:</div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;        <span class="keywordtype">void</span> readPixels() <span class="keyword">const</span>;</div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;</div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer_1_1_screen_capture_callback.html#a8e8772fad16517a4b8a4da08a4c645c7">   46</a></span>&#160;        <a class="code" href="classflitr_1_1_screen_capture_producer.html">ScreenCaptureProducer</a>* <a class="code" href="classflitr_1_1_screen_capture_producer_1_1_screen_capture_callback.html#a8e8772fad16517a4b8a4da08a4c645c7">producer_</a>;</div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer_1_1_screen_capture_callback.html#a3f821b6b9ee4d7b0241a46b346f5ea29">   47</a></span>&#160;        osg::ref_ptr&lt;osg::Image&gt; <a class="code" href="classflitr_1_1_screen_capture_producer_1_1_screen_capture_callback.html#a3f821b6b9ee4d7b0241a46b346f5ea29">osg_image_</a>;</div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer_1_1_screen_capture_callback.html#a4160d9de18e04a570bea5c25e7cd97af">   48</a></span>&#160;        int32_t <a class="code" href="classflitr_1_1_screen_capture_producer_1_1_screen_capture_callback.html#a4160d9de18e04a570bea5c25e7cd97af">width_orig_</a>;</div>
<div class="line"><a name="l00049"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer_1_1_screen_capture_callback.html#ad0a3059ffca572e218c59c7d17ce5ef2">   49</a></span>&#160;        int32_t <a class="code" href="classflitr_1_1_screen_capture_producer_1_1_screen_capture_callback.html#ad0a3059ffca572e218c59c7d17ce5ef2">height_orig_</a>;</div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;    };</div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <a class="code" href="classflitr_1_1_screen_capture_producer.html">ScreenCaptureProducer</a>(osgViewer::View&amp; view, uint32_t buffer_size, uint32_t capture_every_nth);</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <span class="keywordtype">bool</span> init();</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="keywordtype">bool</span> shouldCaptureNow();</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keywordtype">void</span> startCapture();</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keywordtype">void</span> stopCapture();</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;</div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;  <span class="keyword">private</span>:</div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer.html#a71c13c3ad1555718aa772a2b581c847f">   65</a></span>&#160;    osgViewer::View&amp; <a class="code" href="classflitr_1_1_screen_capture_producer.html#a71c13c3ad1555718aa772a2b581c847f">view_</a>;</div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer.html#a194f97f5e815c192c62ff2e051ab1856">   66</a></span>&#160;    osg::ref_ptr&lt;ScreenCaptureCallback&gt; <a class="code" href="classflitr_1_1_screen_capture_producer.html#a194f97f5e815c192c62ff2e051ab1856">cb_</a>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer.html#a16e3c29ff6a425ef3f0729f2b835c774">   67</a></span>&#160;    uint32_t <a class="code" href="classflitr_1_1_screen_capture_producer.html#a16e3c29ff6a425ef3f0729f2b835c774">buffer_size_</a>;</div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer.html#aec659da7add61453f210193edd73cda1">   68</a></span>&#160;    uint32_t <a class="code" href="classflitr_1_1_screen_capture_producer.html#aec659da7add61453f210193edd73cda1">capture_every_nth_</a>;</div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer.html#abc51cf47c29aabb4eec332e1f9c4f35e">   69</a></span>&#160;    uint32_t <a class="code" href="classflitr_1_1_screen_capture_producer.html#abc51cf47c29aabb4eec332e1f9c4f35e">trigger_count_</a>;</div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="code" href="classflitr_1_1_screen_capture_producer.html#a8d0fc5ee91d57456d30cf184a62aa463">   70</a></span>&#160;    <span class="keywordtype">bool</span> <a class="code" href="classflitr_1_1_screen_capture_producer.html#a8d0fc5ee91d57456d30cf184a62aa463">do_capture_</a>;</div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;};</div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;}</div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;</div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="preprocessor">#endif // SCREEN_CAPTURE_PRODUCER_H</span></div>
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